Recent questions tagged Regex

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regex - How to replace all characters in a Java string with stars

I want to replace all the characters in a Java String with * character. So it shouldn't matter what character ... tried myself but no success. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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572 views

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regex - How to use sed to replace a config file's variable?

I've been looking online for this answer and cannot seem to find it. I have a config file that contains: ... value of VAR5 to another value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

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regex - Finding and removing Non-ASCII characters from an Oracle Varchar2

We are currently migrating one of our oracle databases to UTF8 and we have found a few records that are near the ... doing what I want to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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498 views

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regex - How to replace all characters in a Java string with stars

I want to replace all the characters in a Java String with * character. So it shouldn't matter what character ... tried myself but no success. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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728 views

1 answer

regex - How to use sed to replace a config file's variable?

I've been looking online for this answer and cannot seem to find it. I have a config file that contains: ... value of VAR5 to another value. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

838 views

1 answer

regex - Finding and removing Non-ASCII characters from an Oracle Varchar2

We are currently migrating one of our oracle databases to UTF8 and we have found a few records that are near the ... doing what I want to do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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775 views

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regex - "UnicodeEncodeError: 'ascii' codec can't encode character"

I'm trying to pass big strings of random html through regular expressions and my Python 2.6 script is choking ... "__main__": unittest.main() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

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regex - Does bash support word boundary regular expressions?

I am trying to match on the presence of a word in a list before adding that word again (to avoid duplicates). ... wrong but I am not sure what. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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876 views

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regex - How to split long regular expression rules to multiple lines in Python

Is this actually doable? I have some very long regex pattern rules that are hard to understand because ... to differ between Doxygen versions See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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regex - Range out of order in character class in javascript

I don't know why my regex is incorrect: var domain = "google.com.br"; var reEmail = new RegExp("^([A ... : Range out of order in character class See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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654 views

1 answer

regex - javascript get function body

I have a function e.g. var test = function () {alert(1);} How can I get the body of this function? I ... , because I am not familiar with them) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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regex - Detect strings with non English characters in Python

I have some strings that have a mix of English and none English letters. For example: w='_1991_??_??2' How ... do this in one shot and quickly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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915 views

1 answer

regex - How to extract decimal number from string in C#

string sentence = "X10 cats, Y20 dogs, 40 fish and 1 programmer."; string[] digits = Regex.Split (sentence, ... numbers. How can I achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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640 views

1 answer

regex - How to measure similarity between strings?

I have a bunch of names, and I want to obtain the unique names. However, due to spelling errors and inconsistencies ... there a way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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603 views

1 answer

regex - Match groups in Python

Is there a way in Python to access match groups without explicitly creating a match object (or another way ... cascade, match object creation). See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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406 views

1 answer

regex - Implement auto-complete feature using MongoDB search

I have a MongoDB collection of documents of the form { "id": 42, "title": "candy can", "description": " ... search but couldn't find any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

666 views

1 answer

regex - How do I check for vowels in JavaScript?

I'm supposed to write a function that takes a character (i.e. a string of length 1) and returns true if it is a ... /[aeiou]/.test(char); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

1 answer

regex - Difference between egrep and grep

I have a question about grep and egrep in unix. As I am recently studying the shell commands in unix, I ... somebody else kindly explain why? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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611 views

1 answer

regex - JavaScript: how to use a regular expression to remove blank lines from a string?

I need to use JavaScript to remove blank lines in a HTML text box. The blank lines can be at anywhere in the ... /gm Many thanks to m.buettner! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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585 views

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regex - Regular Expression to exclude set of Keywords

I want an expression that will fail when it encounters words such as "boon.ini" and "http". The goal ... construct for any set of keywords. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

720 views

1 answer

regex - PHP code to remove everything but numbers

I'm trying to remove everything from a string but just numbers (0-9). I thought this would work.. echo preg_replace( ... ". What am I missing??? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

625 views

1 answer

regex - Check if string contains only letters in javascript

So I tried this: if (/^[a-zA-Z]/.test(word)) { // code } It doesn't accept this : " " But it does accept ... :/ Is there a good way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

1 answer

regex - Perl compatible regular expression (PCRE) in Python

I have to parse some strings based on PCRE in Python, and I've no idea how to do that. Strings I want ... exists to parse this kind of string? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

1 answer

regex - Confusion with Atomic Grouping - how it differs from the Grouping in regular expression of Ruby?

I have gone through the docs for Atomic Grouping and rubyinfo and some questions came into my mind: Why the name " ... MatchData "abc" 1:"b"> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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588 views

1 answer

regex - Regular expression to find two strings anywhere in input

How do I write a regular expression to match two given strings, at any position in the string? For ... matter what precedes these strings. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

674 views

1 answer

regex - Recursively change file extensions in Bash

I want to recursively iterate through a directory and change the extension of all files of a certain extension, ... command for doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

442 views

1 answer

regex - Does lookaround affect which languages can be matched by regular expressions?

There are some features in modern regex engines which allow you to match languages that couldn't be matched without ... just for some of them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

472 views

1 answer

regex - Regular Expression for formatting numbers in JavaScript

I need to display a formatted number on a web page using JavaScript. I want to format it so that there are commas ... ,992 ...you get the idea. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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